why blood is needed to all the parts of our body..
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i)It carries oxygen to all the parts of the body and also carries carbon dioxide back to the lungs.
(ii) It carries digested food to various parts of the body for absorption. .
.. (3) It transports hormones and help in fighting the body with germs and bacteria.
(ii) It carries digested food to various parts of the body for absorption. .
.. (3) It transports hormones and help in fighting the body with germs and bacteria.
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Blood is needed to all part of body because it contains hemoglobin which carries oxygen and oxygen is essential for every part of the body.
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